LIsa Black
Cape Coral, FL
Female, 49
I spent the five happiest years of my life in a morgue. As a forensic scientist in the Cleveland coroner’s office I analyzed gunshot residue on hands and clothing, hairs, fibers, paint, glass, DNA, blood and many other forms of trace evidence, as well as crime scenes. Now I'm a certified latent print examiner and CSI for a police department in Florida. I also write a series of forensic suspense novels, turning the day job into fiction. My books have been translated into six languages.
Because fingerprints, tire tracks, footwear impressions and sometimes handwriting can, with sufficient individual characteristics, be identified to a specific person or item. (Glass can as well in the case of a 'jigsaw' match, when it physically fits into a piece of evidence.) These analyses require human attention and thorough training and competency and are not quite as simply done as adding a blood sample to a thermocycler for DNA analysis. Explaining DNA analysis takes a highly trained analyst but the actual process is largely automated.
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Sorry for the delay, I’ve been on vacation. I guess it depends where the activity took place. If it all took place in bed and they washed the sheets, then there may not be any to find. An alternate light source can look for possible spots of semen, but the problem is many things can fluoresce, such as vaginal secretions, sweat, saliva, cleaners, certain fibers, etc.
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I'm sorry but that's beyond my technical expertise. You need a toxicologist for that one.
Best of luck!
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Obstetrician Gynecologist
If a baby has health complications resulting from a difficult delivery, do you ever feel guilty?
Server / Bartender
How much more do female servers get tipped?
Navy Officer (Former)
Why do so many people miss the military after they get out?
Take all the science courses you can and visit labs that do the kind of services you’re interested in.
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DNA is genetic material. Substances that contain cells that contain DNA, such as blood and sweat and saliva can have many other substances as well, but a crime lab would likely only look for DNA.
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It all depends on where you want to work and what they require. At the coroner's office we all had at least a bachelor's degree in a natural science like biology, because there were not any forensic degrees then. If you want to be a DNA analyst you will probably need to major in genetics or biochemistry. At the police department where I work, with our very small lab, we are only required to have a high school diploma--but you get extra points in the interview process for advanced degrees so we all have at least a bachelor's.I don’t know how helpful medical technology would be because that is specifically geared toward a different profession.
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